#include <iostream>
int main(int argc, char const *argv[])
{
	using namespace std;
	char ch;
	int count = 0;
	cin.get(ch);
	while(cin.fail() == false)
	{
		count << ch;
		++count;
		cin.get(ch);
	}
	cout << endl <<count<<"characters read\n";
	return 0;
}